Distinguish between a physical change and chemical change.
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Physical Change |
Chemical Change |
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1. No new substance is formed. |
1. New substance is formed. |
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2. It is a reversible change. |
2. It is irreversible change. |
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3. The properties of constituents are retained. |
3. The properties of constituents are not retained. |
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4. No new substance is formed. |
4. Completely new substance is formed. |